中英释义：
双语例句
这篇课文主要讲了一位贫穷老人不论刮风下雨都去喂海鸥，从此他们之间产生了浓厚的感情。
This text mainly talks about a poor old man to feed the seagulls, regardless of the wind and rain.
重点词汇
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主要
main; major; chief; essential; principal; primary; leading; key; central; foremost; cardinal; paramount; predominant; arch-; above all